200107-F-YU906-0039

U.S. Air Force Airman 1st Class Kristopher Richardson, 52nd Aerospace Medicine Squadron Bioenvironmental Engineering technician, uses a phenol red solution to determine pH level of tap water at Spangdahlem Air Base, Germany, January 7, 2020. A perfect pH level is 7.0 however some minor variance is allowed. A proper pH is important to prevent the water from being dirty or corrosive. (U.S. Air Force photo by Senior Airman Kyle Cope)

PHOTO BY: Senior Airman Kyle Cope
VIRIN: 200107-F-YU906-0039.JPG
FULL SIZE: 0.56 MB
Additional Details

CAMERA

NIKON D5

LENS

24.0-70.0 mm f/2.8

APERTURE

63/10

SHUTTERSPEED

1/100

ISO

400

IMAGE IS PUBLIC DOMAIN

Read More

This photograph is considered public domain and has been cleared for release. If you would like to republish please give the photographer appropriate credit. Further, any commercial or non-commercial use of this photograph or any other DoD image must be made in compliance with guidance found at https://www.dimoc.mil/resources/limitations, which pertains to intellectual property restrictions (e.g., copyright and trademark, including the use of official emblems, insignia, names and slogans), warnings regarding use of images of identifiable personnel, appearance of endorsement, and related matters.